Home / 7,744.59-11,618.29-2,821.14

Finding the Fourth Proportional to 7,744.59, 11,618.29 and 2,821.14

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Solution

The fourth proportional to 7,744.59, 11,618.29 and 2,821.14 is: 4,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.59 : 11,618.29 = 2,821.14 : x
  2. Step 2: Convert to fraction form
    7,744.59/11,618.29 = 2,821.14/x
  3. Step 3: Cross multiply
    7,744.59x = 11,618.29 × 2,821.14
  4. Step 4: Simplify right side
    7,744.59x = 32,776,808.54
  5. Step 5: Solve for x
    x = 32,776,808.54/7,744.59
  6. Step 6: Final answer
    x = 4,232.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.